Diff Report
Run #51c25102ed66d: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51c24fd9b971a: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51c25102ed66dRun #51c24fd9b971aDiffDiff%
Number of Function Calls73 73 0 0.0%
Incl. Wall Time (microsec)26,878 26,785 -93 -0.3%
Incl. Wall Time (microsec) per call 368 367 -1 -0.3%
Excl. Wall Time (microsec)1,796 1,768 -28 -1.6%
Incl. CPU (microsecs)22,774 22,331 -443 -1.9%
Incl. CPU (microsecs) per call 312 306 -6 -1.9%
Excl. CPU (microsec)1,690 1,670 -20 -1.2%
Incl. MemUse (bytes)1,734,824 1,733,880 -944 -0.1%
Incl. MemUse (bytes) per call 23,765 23,752 -13 -0.1%
Excl. MemUse (bytes)-199,080 -198,912 168 0.1%
Incl. PeakMemUse (bytes)1,882,896 1,881,704 -1,192 -0.1%
Incl. PeakMemUse (bytes) per call 25,793 25,777 -16 -0.1%
Excl. PeakMemUse (bytes)6,544 6,544 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -93 -0.6% -443 -3.4% -944 -1.5% -1,192 -2.0%
Exclusive Metrics Diff for Current Function-28 -30.1% -20 -4.5% 168 17.8% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -93 -100.0% -443 -100.0% -944 -100.0% -1,192 -100.0%
Child functions
unserialize0 N/A% -233 -250.5% -457 -103.2% -1,112 -117.8% -1,160 -97.3%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 181 194.6% 47 10.6% 0 0.0% -32 -2.7%
explode0 N/A% -13 -14.0% -13 -2.9% 0 0.0% 0 0.0%